Collagen type II is POSSIBLY SAFE when taken by mouth in doses up to 2.5 mg daily for up to 24 weeks. Itâs not clear what the side effects might be. Other collagen products, such as bovine collagen and gelatin, have caused allergic reactions.
Puffy lips are often the result of allergic reactions. These allergic reactions can lead to a condition that causes short-term swelling to occur beneath the surface of the skin, a condition known as angioedema. Puffy or swollen lips may also be caused by other conditions, such as an infection, injury, or certain hereditary conditions.
An allergic reaction to oysters or other shellfish could cause puffy lips. Exposure to common allergens may cause the lips to become itchy or puffy, in addition to other symptoms. Environmental allergies may cause runny noses and puffy lips. An infection can cause lips to swell and become puffy. Some people suffer from allergies that are triggered by pet dander. An allergic reaction to toothpaste may cause puffy lips.